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上海通风柜风量公式含义及其计算

    通风柜是一个密闭的同时又能排风的工作空间,是为了控制、稀释以及排除这个密闭空间内产生制造的烟气、气雾和微粒。在大多数实验室中,通风柜是保护实验室操作者免受有毒有害化学物质伤害的主要控制设备。同时,通风柜在小操作高度状态下也能对突发的火灾、爆炸以及化学物质飞溅起到保护作用。

    YOUYUTONGFENGJUDEMIANFENGSUXUYAOBAOCHIBUBIAN,YINCIZAIQIYIMENKAIDAKAIXIAOSHI,FENGLIANGYESUIZHIGAIBIAN,TONGFENGJUDEFENGLIANGJISUANFANGFAWEI:

    Q=(H*W+M)*v*3600,QIZHONG

    Q---TONGFENGJUPAIFENGLIANG(m3/h)

    H---YIMENKAIDU(m)

    W---YIMENKUANDU(m)

    M---YIXINGFANBANXIADEGUDINGMIANJI(m2)

    v---TONGFENGJUMIANFENGSU(m/s)

    TONGFENGJUDEYASUNYIBAN≤75Pa,TONGCHANG,HUIZAISHANGSHUGONGSHIJISUANDEJICHUSHANGCHENGYIYIGEANQUANXISHUZUOWEIPAIFENGLIANG。

    CHANGJIANDEBIAOZHUNCHICUNDETONGFENGJUJIANYIFENGLIANG:

    1.2mXINGTAISHI:240~1200m3/h;

    1.5mXINGTAISHI:300~1500m3/h;

    1.8mXINGTAISHI:360~1800m3/h。

    JISUANXITONGNEI,TONGFENGJUDEPAIFENGLIANGSHIXUYAOZHUYIQITONGSHISHIYONGGAILV,XITONGPAIFENGLIANGYOUXIAOPAIFENGLIANG、SHIJIPAIFENGLIANGHEDAGONGZUOPAIFENGLIANGZHIFEN。XIAOPAIFENGLIANGSHISUOYOUTONGFENGJUYIMENGUANZHIXIAOSHIDEPAIFENGLIANG,GONGZUOPAIFENGLIANGSHIYIMENKAIDAOGONGZUOGAODU(YIBANWEI500mmDEGAODU)DEPAIFENGLIANG,SHIJIPAIFENGLIANGZESHIGENJUTONGFENGJUDETONGSHISHIYONGGAILVJISUANCHUDEPAIFENGLIANG。